KEF LS50 User Manual Download Page 20

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5.3

Bottom Panel

•

Rubber feet are found on the bottom panel of each speaker to prevent slipping on a
hard surface.

•

Additionally, four threaded holes (M8 × 1.5) are also available for mounting on a stand
(remove the rubber feet first before mounting). For the best sound performance and
cable management, use the KEF S2 speaker stands.

WARNING!

Be aware of the potential hazards from tipping or knocking the speakers off the stands
which may result in personal injury, or property damage.

Summary of Contents for LS50

Page 1: ...Table of Contents Setting Up Wi Fi Streaming Using KEF Connect App FAQ and Troubleshooting User Manual LS50 Wireless II ...

Page 2: ...nnection and Control Interface 17 5 1 Front Panel 17 5 2 Back Panel 18 5 3 Bottom Panel 20 5 4 Top Panel 21 5 5 Remote Control 22 5 6 KEF Connect App 23 6 Wi Fi Streaming 24 6 1 Wireless Streaming Protocols 24 6 1 1 AirPlay 2 24 6 1 2 Chromecast 25 6 1 3 ROON Ready coming soon 26 6 1 4 Music Streaming Apps Native Protocols 27 6 1 4 1 Spotify Connect 27 6 1 4 2 QPlay 28 6 1 4 3 TIDAL Connect 29 6 1...

Page 3: ...3 Playback with Auxiliary Input 45 13 1 Auxiliary Cable Connection 45 13 2 Selecting Auxiliary Mode 46 13 3 Playback Controls 46 14 Using KEF Connect App 47 14 1 Home 47 14 1 1 Overview 47 14 1 2 Editing the Home Screen coming soon 48 14 2 Remote Control 48 14 3 Music Content 49 14 3 1 Playing Music from Music Streaming Services 50 14 3 1 1 Amazon Music 50 14 3 1 2 Deezer 51 14 3 1 3 Qobuz 52 14 3...

Page 4: ... Volume 74 14 8 5 Balance Control 74 14 9 Firmware Upgrade 75 14 9 1 Automatic Firmware Update after Onboarding 75 14 9 2 Automatic Firmware Check 75 14 9 3 Manual Firmware Update 76 14 10 Application 77 14 10 1 Streaming Settings Audio Quality 77 14 10 2 Theme Settings Dark Theme 77 14 10 3 Theme Settings Reset Home Screen 77 14 10 4 Analytics Improve App Speaker 78 14 11 Support 79 15 Cleaning a...

Page 5: ...and reproducing them to the highest possible quality This legacy continues today with the LS50 Wireless II our compact yet powerful speaker system for the digital music era The new KEF LS50 Wireless II is a fully active wireless stereo system that delivers pristine KEF sound coupled with instinctive usability and high performance wireless capability Completely re engineered and capable of playing ...

Page 6: ...es to the safety information Failure to do so may result in personal injury or damage to the speakers Retain the user manual and safety information for further use Make sure to include the user manual and safety information when passing the speakers on to third parties 2 2 Signal Symbol Word Definitions The following symbols and signal words are used in this user manual WARNING This signal symbol ...

Page 7: ... speaker cones 1 set 1 1 2 3 1 Take the speakers and accessories out of the packaging 2 Remove the red protective stickers and tabs on the speakers 3 Check to make sure that all parts are included namely Speaker 2 Primary Speaker 1 Secondary Speaker 1 Remote control 1 with 2 AAA batteries Inter speaker cable 1 length 3 m Power cable 2 length 2 m with country specific power plugs Printed materials ...

Page 8: ...quirements of your Router Network standard IEEE 802 11a b g n ac IPv4 IPv6 Frequency band Dual band 2 4 GHz 5 GHz A 5 GHz Wi Fi network is recommended for stable streaming especially for hi resolution music Connecting to a guest office or public network Office hotel guest and public networks often feature additional security or authentication methods which may prevent the speakers from connecting ...

Page 9: ...nnectors A on the back panels of the Primary and Secondary Speakers 2 Connect the power plugs into the power sockets outlets After successful power connections the Wi Fi icon on the top panel of the Primary Speaker will blink white and amber The speakers are now ready to be onboarded to your personal Wi Fi network through the KEF Connect App see chapter Onboarding ...

Page 10: ... Fi network 1 Search KEFConnect in the App Store or Google Play Store to download and install the KEF Connect App on your iOS or Android device 2 Launch the KEF Connect App on your device and create a user account You may log in with your existing Facebook Google or Apple account or create a new KEF account with your email address Requires iOS 13 or above Requires Android 8 or above The use of an ...

Page 11: ...ers with the check mark are ready for use This icon will show for speakers already onboarded or directly connected to the network via a cable 4 Select your local Wi Fi network Press Next to begin the onboarding process You may rename the speakers by tapping Speaker name 5 The onboarding process will be done automatically Tap Done when the process is completed Step 3 5 The Wi Fi icon on the top pan...

Page 12: ...rby The speakers with the warning sign are not set up yet The speakers with the check mark are ready for use 5 Tap Open Google Home to proceed If your mobile device does not have Google Home you will be prompted to download and install the app on your device Step 3 5 6 Tap Set up LS50 Wireless II at the top of the screen 7 Tap Add another home 8 Create a nickname for the home and then tap Next Ste...

Page 13: ...Go back to the KEF Connect App to start using the speakers The Wi Fi icon on the top panel of the Primary Speaker is solid white when the speakers are successfully connected After successful connection you may be prompted if there is a new firmware update available Follow the instructions in the KEF Connect App to complete the update process ...

Page 14: ...n your mobile device 3 Allow the app to access your device s location when requested 4 Tap Choose a Wi Fi network 5 Select your local Wi Fi network and then tap OK Step 3 5 6 Input the password of your local Wi Fi network and then tap Next The connection process will be done automatically 7 If preferred create a new name for the speakers and then tap Next This name will be used for Wi Fi and Bluet...

Page 15: ...oting The Wi Fi icon on the top panel of the Primary Speaker is solid white when the speakers are successfully connected After successful connection you may be prompted if there is a new firmware update available Follow the instructions in the KEF Connect App to complete the update process ...

Page 16: ...nd the listener will depend on how far the Primary Speaker and the Secondary Speaker are separated or vice versa Try to keep the same distance to the listener to form an equilateral triangle A B C A B C The two speakers are already paired and will be automatically connected with each other wirelessly resolution 96 kHz 24 bit If you prefer a higher resolution 192 kHz 24 bit or are experiencing freq...

Page 17: ...17 Table of Contents Setting Up Wi Fi Streaming Using KEF Connect App FAQ and Troubleshooting 5 Connection and Control Interface 5 1 Front Panel Primary Speaker Secondary Speaker IR receiver ...

Page 18: ...ox through an optical cable C Coaxial input jack Plays audio input from a source e g audio player through a coaxial cable X Auxiliary input jack Plays audio input from a source e g turntable with phono stage through a 3 5 mm audio cable R Factory reset button Resets the speakers to the factory defaults including network settings and all EQ and system preferences Press and hold the button until the...

Page 19: ...ed device will be disconnected T Primary Secondary connection port Connects the Primary Speaker and Secondary Speaker with the inter speaker cable S Subwoofer output jack Connects a subwoofer to the speakers through an RCA cable E Service port Connection port for service N Network port Connects the speakers to a router with a LAN cable A AC input connector Connects the speakers to the power source...

Page 20: ...ipping on a hard surface Additionally four threaded holes M8 1 5 are also available for mounting on a stand remove the rubber feet first before mounting For the best sound performance and cable management use the KEF S2 speaker stands WARNING Be aware of the potential hazards from tipping or knocking the speakers off the stands which may result in personal injury or property damage ...

Page 21: ...KEF Connect App FAQ and Troubleshooting 5 4 Top Panel Control buttons and mode indicators are found on the top panel of the Primary Speaker Wi Fi Volume up Bluetooth TV Optical Coaxial Auxiliary Mute Volume down Source On off Mode indicator Control button ...

Page 22: ...ery compartment before use To do so slide open the battery compartment cover on the back and insert the batteries into the compartment according to the polarity Close the battery compartment cover when done Point the remote control to the IR receiver located on the front panel of the Primary Speaker Make sure there are no obstacles between the remote control and the Primary Speaker during use If t...

Page 23: ...peakers switch sound sources and access and play back your streaming music and music stored in media server Turn on off the speakers and switch sources Shortcuts to music content music streaming services Internet radio stations podcasts and Media servers EQ settings Speaker settings Latest news and stories from KEF Music content Remote control Home Coming soon For details see chapter Using KEF Con...

Page 24: ...streaming protocols 6 1 1 AirPlay 2 AirPlay 2 lets you share audio output from Apple devices to the speakers 1 Start music or video playback on your iOS device 2 For music streaming tap the AirPlay icon in the playback screen For audio streaming from the YouTube app tap the connection icon in the playback screen and then tap the AirPlay icon 3 Select KEF LS50 Wireless II or the name you have creat...

Page 25: ...is Chromecast enabled you can stream audio output from the device to the speakers 1 Start music or video playback on your Chromecast enabled device 2 In the Google Home App tap KEF LS50 Wireless II or the name you have created for the speakers 3 Tap Cast my audio The availability for streaming depends on the app compatibility ...

Page 26: ... to create a searchable surfable magazine about your music The speakers are certified Roon Ready For more information on Roon visit roonlabs com 1 Enable the speakers in the Audio menu Note KEF LS50 Wireless II will be Roon Ready soon 2 To stream music click the Zone Picker next to volume at the footer of Roon and then select KEF LS50 Wireless II or the name you have created for the speakers from ...

Page 27: ...cast streaming service that gives you access to millions of songs and other content from artists all over the world The speakers are ready for Spotify Connect 1 Browse and select music to play in the Spotify App 2 Tap the device icon at the bottom of the playback screen 3 Select KEF LS50 Wireless II or the name you have created for the speakers from the selection menu to start streaming Step 1 3 ...

Page 28: ... services QPlay lets you stream music directly from the QQ Music App The speakers are ready for the QPlay feature 1 To stream music launch the QQ Music App and enable QPlay in the settings 2 Browse and play music 3 Tap the QPlay icon on the playback screen 4 Select KEF LS50 Wireless II or the name you have created for the speakers from the device list to start streaming ...

Page 29: ...ic videos with exclusive content and special features on music The speakers are ready for the TIDAL Connect feature for music streaming 1 To stream music select the content you want to play in theTIDAL Connect App and then select the connect icon in the Now Playing screen 2 Select KEF LS50 Wireless II or the name you have created for the speakers from the list of nearby devices to pair with theTid...

Page 30: ...o stream music to the speakers 6 1 5 2 Deezer Deezer is an online music streaming service It allows users to listen to music content from a wide range of record labels on various devices online or offline You can access your Deezer account through the KEF Connect App to stream music to the speakers 6 1 5 3 Qobuz Qobuz is a music streaming and downloading service offering hi resolution streaming to...

Page 31: ...t App to play hi resolution audio A valid Hi Fi tier subscription is required 6 1 5 6 Internet Radio The KEF Connect App offers access to thousands of Internet radio stations from all over the world offering music news and discussion 6 1 5 7 Podcast The KEF Connect App provides access to a wide range of podcasts covering a huge number of genres and topics 6 1 6 UPnP Playback You can play compatibl...

Page 32: ...gard to music media apps on your mobile devices App Wireless streaming protocol AirPlay 2 Chromecast ROON Ready Music streaming app native protocol KEF Connect App Bluetooth Spotify Spotify Connect TIDAL TIDAL Connect QQ Music QPlay Apple Music Amazon Music Deezer Qobuz Internet radio Audio podcast Youtube audio Supported Supported and recommended for the best audio quality and streaming stability...

Page 33: ... network select the pairs for playback of the same audio output at the same time You can control the volume of the speakers individually or together as a group Note AirPlay speakers are not compatible with multi room streaming 7 2 Chromecast You can group the speakers and Chromecast devices together for synchronous music throughout the home 1 Make sure your mobile device is connected to the same W...

Page 34: ...aming Using KEF Connect App FAQ and Troubleshooting 4 Tap each device including the sets of speakers you want to add to the group A check mark will appear next to each device you have selected 5 Tap Next 6 Enter a name for your group 7 Tap Save ...

Page 35: ... house Note that Zones can only be grouped with other zones of the same type e g RAAT AirPlay etc 1 To group zones select the zone you are controlling in desktop and tablet interface by clicking the Zone Picker in the footer next to volume On a phone select by clicking Switch Zone below the volume pop up 2 Tap Group Zones This brings up the available zones for grouping 3 Select the desired zone s ...

Page 36: ...g tracks controlling the volume level while your iOS mobile device is streaming music to the speakers Hey Siri Play some music on the LS50 Wireless II 8 2 Google Assistant You can use Google Assistant to control playback e g skipping tracks controlling the volume level while your Android mobile device is streaming music to the speakers Hey Google Play some music on the LS50 Wireless II ...

Page 37: ...rol You can assign the Bluetooth mode as a second wake up source to turn on the speakers automatically when there is audio input through Bluetooth connection See chapter Power Saver Second Wake Up Source 9 2 Bluetooth Pairing 1 In Bluetooth mode check the Bluetooth icon on the top panel of the Primary Speaker When the Bluetooth icon pulses slowly the speakers are in the discovery mode and ready to...

Page 38: ... the list of available devices to pair When Bluetooth pairing is done the Bluetooth icon will stay lit The speakers remember your last paired Bluetooth device Once Bluetooth mode is selected the speakers will automatically connect with your last paired device if it is around 9 3 Playback Controls In the KEF Connect App use the control elements below for playback controls Play pause Next Volume con...

Page 39: ...I CEC HDMI CEC allows the use of the television remote control to adjust the volume of the speakers 10 1 HDMI Cable Connection Connect the HDMI output port of your TV and the TV port V on the back panel of the Primary Speaker via an HDMI cable Connect the HDMI cable to the eARC or ARC port of yourTV In yourTV setting turn on eARC ARC or CEC in the HDMI settings Refer to the user manual of yourTV f...

Page 40: ... If no HDMI cable is conected to the speakers andTV mode is selected theTV icon will keep pulsing TheTV icon is lit when HDMI connection is established You can assign TV mode as a second wake up source to turn on the speakers automatically when there is audio input through the HDMI connection See chapter Power Saver Second Wake Up Source 10 3 Playback Controls All playback controls except adjustin...

Page 41: ...e speakers through an optical cable The speakers must always be first connected to your local network before optical connection 11 1 Optical Cable Connection Connect the optical output jack of your device and the optical input jack O on the back panel of the Primary Speaker via an optical cable Make sure your TV is set to output digital audio in PCM format Refer to the user manual of your TV for d...

Page 42: ...Speaker Or press the source button on the remote control The OPT icon is lit when Optical mode is selected You can assign Optical mode as a second wake up source to turn on the speakers automatically when there is audio input through the optical connection See chapter Power Saver Second Wake Up Source 11 3 Playback Controls All playback controls except adjusting volume must be done on the connecte...

Page 43: ...r devices with coaxial output e g DVD CD player to the speakers through a coaxial cable The speakers must always be first connected to your local network before coaxial connection 12 1 Coaxial Cable Connection Connect the coaxial output jack of your device and the coaxial input jack C on the back panel of the Primary Speaker via a coaxial cable ...

Page 44: ...aker Or press the source button on the remote control The CX icon is lit when Coaxial mode is selected You can assign Coaxial mode as a second wake up source to turn on the speakers automatically when there is audio input through the coaxial connection See chapter Power Saver Second Wake Up Source 12 3 Playback Controls All playback controls except adjusting volume must be done on the connected de...

Page 45: ... mm audio output e g turntables computers portable music players to the speakers through an audio cable The speakers must always be first connected to your local network before auxiliary connection 13 1 Auxiliary Cable Connection Connect the audio output jack of your device and the auxiliary input jack X on the back of the Primary Speaker via a 3 5 mm audio cable ...

Page 46: ...Speaker Or press the source button on the remote control The AUX icon is lit when Auxiliary mode is selected You can assign Auxiliary mode as a second wake up source to turn on the speakers automatically when there is audio input through the auxiliary connection See chapter Power Saver Second Wake Up Source 13 3 Playback Controls All playback controls except adjusting volume must be done on the co...

Page 47: ...tings turn on off the speakers switch sound sources and access and play back your music streaming services 14 1 Home 14 1 1 Overview Turn on off the speakers and switch sources Shortcuts to music content music streaming services Internet radio stations podcasts and Media servers EQ settings Speaker settings Latest news and stories from KEF Music content Remote control Home Coming soon ...

Page 48: ...e of frequent or less frequent use 1 Tap the edit icon at the top right of the app 2 Tap the or symbols to show or hide a tile 3 Tap the edit icon at the top right of a tile 4 Tap the or symbols to show or hide a button in the tile 14 2 Remote Control Use the buttons under Remote Control to directly turn on the speakers from that particular source or change the sound source To turn off the speaker...

Page 49: ...g Up Wi Fi Streaming Using KEF Connect App FAQ and Troubleshooting 14 3 Music Content The KEF Connect App allows you to access and play back music from your music streaming services as well as Internet radio stations and podcasts ...

Page 50: ...t App FAQ and Troubleshooting 14 3 1 Playing Music from Music Streaming Services 14 3 1 1 Amazon Music 1 To stream music tap Amazon Music under Music in the Cloud in the KEF Connect App 2 Login to your Amazon Music account 3 Browse and play music to start streaming ...

Page 51: ...Up Wi Fi Streaming Using KEF Connect App FAQ and Troubleshooting 14 3 1 2 Deezer 1 To stream music tap Deezer under Music in the Cloud in the KEF Connect App 2 Login to your Deezer account 3 Browse and play music to start streaming ...

Page 52: ... Up Wi Fi Streaming Using KEF Connect App FAQ and Troubleshooting 14 3 1 3 Qobuz 1 To stream music tap Qobuz under Music in the Cloud in the KEF Connect App 2 Login to your Qobuz account 3 Browse and play music to start streaming ...

Page 53: ...ify Through the KEF Connect App you can be prompted to the Spotify App on your device to stream music to the speakers See chapter Spotify Connect 14 3 1 5 TIDAL 1 To stream music tap TIDAL under Music in the Cloud in the KEF Connect App 2 Login to yourTIDAL account 3 Browse and play music to start streaming ...

Page 54: ...6 Internet Radio 1 To access Internet radio tap Radio stations under Live Stream in the KEF Connect App 2 Browse and play a radio station to start streaming 14 3 1 7 Podcast 1 To access podcast contents tap Podcasts under Live Stream in the KEF Connect App 2 Browse and play a podcast to start streaming ...

Page 55: ...hat these features may not be available to all music sources and there may be slight differences in the control interface 14 3 2 1 Playback Screen Previous next Play pause Track scroll Options Repeat Hide playback screen Shuffle Volume control Favourites Track metadata Queue MQA authentication type 14 3 2 2 Search Tap the search icon to look for artists albums or songs in the current music source ...

Page 56: ...een tap the favourite icon to select or deselect an item music podcast radio station as favourites Alternatively tap the option icon next to an item e g track album playlist or press and hold on an item and then select Add to Favorites or Remove from Favourites Accessing your favourites To show the favourites in your current music source tap Favourites in the main menu ...

Page 57: ...ent playing track The queue is not permanent and cannot be saved Adding a Track to the Queue 1 From the playback screen tap the option icon 2 Select Add to Queue Depending on your selections you can also add all tracks from an artist all tracks from an album or all tracks from a playlist to the queue Showing the Current Queue From the playback screen tap the queue icon at the top right ...

Page 58: ...back sequence press and hold the three bars on the right hand side of a track and then drag the track up or down the queue 2 To remove a track from the queue tap the edit icon at the top right 3 Select the track in the queue and then tap the trash bin icon to remove it from the queue You may also select multiple tracks for removal ...

Page 59: ...rce tap Playlists in the main menu Creating a Playlist 1 In the current music source tap Playlists in the main menu 2 Tap Create new playlist 3 Create a name for the playlist and then tap Create Adding Tracks to a Playlist 1 From a list of tracks or from the playback screen tap the option icon on the right 2 Tap Add to playlist 3 Select the playlist you want to add the track to Depending on your s...

Page 60: ... Connect App FAQ and Troubleshooting Editing a Playlist 1 In the playback screen of the track to be removed tap the option icon 2 Tap Remove from playlist Deleting a Playlist 1 In the playlist tap the option icon at the top right corner 2 Tap Delete playlist ...

Page 61: ...udio performance apply sound settings according to your listening area 14 4 1 Normal Mode 1 In the KEF Connect App tap the EQ settings icon at the bottom of the Home screen 2 Tap Add new profile 3 Select Normal mode 4 Create a name for your new profile and then tap Save 5 Configure the settings according to your listening area ...

Page 62: ...ion On a stand or on a desk Distance from the front edge of the table on a desk only 50 cm to 0 cm Distance to the wall 10 cm to 50 cm How is your room Damped Moderate Lively Damped Large furniture thick carpet and heavy curtains Moderate Medium furniture thinner carpet or rug some curtains and features on walls ...

Page 63: ...m 20 m2 20 40 m2 40 m2 Subwoofer is plugged in On Off If a subwoofer is plugged in set up the subwoofer volume and speaker subwoofer balance 6 Tap Save when the settings are done 14 4 2 Expert Mode 1 In the KEF Connect App tap the EQ settings icon at the bottom of the Home screen 2 Tap Add new profile 3 Select Expert mode 4 Create a name for your new profile and then tap Save ...

Page 64: ...preferences in greater precision The settings include Desk Mode On Off 10 0 dB to 0 0 dB Wall Mode On Off 10 0 dB to 0 0 dB TrebleTrim 4 0 dB to 4 0 dB Phase Correction On Off Bass Extension Less Standard Extra High Pass Frequency On Off 50 Hz to 120 Hz Sub Out Low Pass Frequency 40 Hz to 250 Hz Sub Gain 10 dB to 10 dB Sub Polarity On Off ...

Page 65: ...ed to reduce the muting effect or move towards lively to tame harshness How large is your room Expert Mode Bass Extension This setting adjusts the bass extension of the speakers The larger the room selected the lower the roll off point Understanding the Subwoofer Settings Subwoofer Speaker Balance Normal mode This controls the bass output between the subwoofer and the speakers If the slider is mov...

Page 66: ... the EQ settings icon at the bottom of the Home screen 2 Tap Default and then select a sound profile to apply to the speakers The profiles with a star icon are created in Expert mode 14 4 4 Renaming a Sound Profile 1 In the selected EQ profile tap the option icon at the top right 2 Tap Rename profile 3 Create a new name for your profile and then tap Save ...

Page 67: ...ble of Contents Setting Up Wi Fi Streaming Using KEF Connect App FAQ and Troubleshooting 14 4 5 Deleting a Sound Profile 1 In the selected EQ profile tap the option icon at the top right 2 Tap Delete profile ...

Page 68: ...ooting 14 5 Profile This menu allows you to edit your personal details account name and profile picture of your registered user account 1 In the KEF Connect App tap the Setting icon at the bottom of the Home screen 2 Tap View profile 3 Tap the edit icon at the top right and start editing ...

Page 69: ...le for selection 1 In the KEF Connect App tap the Setting icon at the bottom of the Home screen 2 Tap the name of the connected speakers 3 Select another pair of speakers for control and streaming Not set up yet with KEF Connect App Already set up with KEF Connect App on another mobile device Current speakers Speakers on the same network but turned off Speakers on the same network and ready for sw...

Page 70: ... speakers and disconnect the speakers from the KEF Connect App 1 In the KEF Connect App tap the Setting icon at the bottom of the Home screen 2 Tap the name of the connected speakers 3 Tap the info icon next to the name of the speakers 4 Check the MAC address IP address and firmware version of the speakers You can also rename the speakers or forget the speakers disconnect them from the KEF Connect...

Page 71: ... setting determines how long ECO 20 30 or 60 mins the speakers will remain idle before automatically entering Standby Mode If never is selected the speakers must be manually turned off 14 7 2 Power Saver Second Wake Up Source This setting enables a second source to automatically turn on the speakers when there is audio input from the selected source This option is not available when Standby Mode i...

Page 72: ...ode You can connect the Primary Speaker and Secondary Speaker with the provided inter speaker cable through the To L R connection ports on the back panels of the speakers Once the cable is connected enable this setting to enable Cable mode and disable the wireless connection Cable Mode is required recommended when You prefer a higher resolution at 192 kHz 24 bit wireless 96 kHz 24 bit You are expe...

Page 73: ...4 8 1 Volume Display Setting This setting allows you to configure how the volume control should be displayed None No volume control will be displayed during playback Slider The volume control will be displayed as a slider for adjustment Tap the speaker icon on the left to mute or restore audio output from the speakers The volume control will be displayed as and buttons for adjustment Tap the speak...

Page 74: ...ncing conflicts with other music streaming apps over Wi Fi connection 14 8 3 Speaker Volume Sensitivity This setting allows you to configure the number of volume steps for each single press of the physical volume buttons of your device 14 8 4 Maximum Volume This setting allows you to configure the maximum level when adjusting the volume The setting applies to all sources 14 8 5 Balance Control Thi...

Page 75: ...omatic Firmware Check The speakers check the server every 4 hours if a new firmware update is available If a firmware is available it will check if the firmware update is compulsory or not If a firmware update is compulsory it will start the update when The speakers are in standby mode or The Wi Fi source or Bluetooth source has been idle for 60 minutes If a firmware update is not compulsory it wi...

Page 76: ...ing 14 9 3 Manual Firmware Update This menu allows you to manually check for firmware updates To access this menu 1 In the KEF Connect App tap the Setting icon at the bottom of the Home screen 2 Tap Speaker update 3 If an update is available tap Update now to proceed with the firmware update ...

Page 77: ... setting for the best audio quality The highest quality depends on the music streaming service and your subscription High CD quality Select this setting when the speakers are in a crowded network and experiencing quality drop outs Normal MP3 quality Select this setting when the speakers are in a crowded network and experiencing audio drop outs 14 10 2 Theme Settings Dark Theme coming soon This set...

Page 78: ...sing KEF Connect App FAQ and Troubleshooting 14 10 4 Analytics Improve App Speaker This setting allows the KEF Connect app to anonymously send improvement analytics to KEF We recommend this setting is enabled to help KEF to improve product performance ...

Page 79: ...ies To access this menu 1 In the KEF Connect App tap the Setting icon at the bottom of the Home screen 2 Tap Support 3 Select the type of support you need and proceed as instructed on the screen 4 When reporting an issue your email program will automatically attach the speaker logs that helps KEF investigate the issue Please add a description of the problem in the email message as well ...

Page 80: ...e speakers in water or other liquids NOTICE Risk of damage Improper handling of the speakers may result in damage Do not use any aggressive cleaners brushes with metal or nylon bristles or sharp or metallic utensils such as knives hard scrapers and the like They could damage the surface 1 Disconnect the power cables of the speakers from the power sockets outlets before cleaning 2 Clean the surface...

Page 81: ...o be disposed of as household waste Please dispose of your speaker in accordance with the regulations in force in your city or county This ensures that old appliances are recycled in a professional manner and reduces negative consequences 16 3 Disposing of the Battery Batteries may not be disposed of with household waste As the end user you are required by law to bring all batteries regardless whe...

Page 82: ...ator to configure the network to allow full functionality if using these kinds of networks LTE routers mobile hotspots will work but may also consume a significant amount of battery power and mobile data 3 Can I use a mesh router Yes we have tested the most popular mesh routers and they are working well with LS50 Wireless II However as there is not yet an industrial standard for mesh routers each ...

Page 83: ...re already paired at the factory If you do not hear any sound from the Secondary Speaker see chapter Troubleshooting 8 What is the purpose of the ethernet cable in the packaging box Use this inter speaker cable to connect the Primary Speaker and Secondary Speaker if you prefer a higher sound reolution 192 kHz 24 bit or if the wireless connection between the speakers is not stable After connecting ...

Page 84: ...hromecast ROON Ready Music streaming app native protocol KEF Connect App Bluetooth Spotify Spotify Connect TIDAL TIDAL Connect QQ Music QPlay Apple Music Amazon Music Deezer Qobuz Internet radio Audio podcast Youtube audio Supported Supported and recommended for the best audio quality and streaming stability 2 Can I stream audio output from Youtube Netflix and other media contents to LS50 Wireless...

Page 85: ...rs if I prefer to adjust the volume on an external equipment preamplifier streamers multi room systems rather than through the KEF Connect App In the KEF Connect App 1 In Settings go to Volume change Volume Display to 2 Select the relevant source input 3 Change the volume to 71 The source selection is now set to Unity gain ...

Page 86: ...ssue In the KEF Connect App go to Settings Support To let us better understand the bug or issue please provide a descriptive report 4 There is no sound from both speakers Check if the speakers are already turned on and not muted Make sure you are playing the correct set of speakers and have selected the correct sound source Check the volume level you may need to turn up the volume 5 There is dropo...

Page 87: ...facturers may name this connection differently e g Anynet for Samsung Simplink for LG please check the user manual of yourTV on how to turn on HDMI connection for yourTV Once the HDMI CEC connection is enabled theTV icon on the top panel should turn solid both CEC and ARC connections are now established If there is only no sound but everything else is working please make sure that the audio output...

Page 88: ... and expanding our database for radio stations and podcasts Please use the Support function in the KEF Connect App and send us the RSS link of the website After verification we will add it to our database 12 I cannot adjust the speaker volume Check if you have set a maximum level for volume adjustment Check if you are connecting and controlling the correct set of speakers in the network ...

Page 89: ...s The speakers are trying to connect to a Wi Fi network Wi Fi icon is blinking white and amber The speakers are connected to a Wi Fi network Wi Fi icon is solid white The speakers are unable to connect to a Wi Fi network Wi Fi icon is blinking amber slowly Bluetooth discovery mode The speakers are ready to pair with a Bluetooth device Bluetooth icon is pulsing The speakers are muted Mute button is...

Page 90: ... the Primary Secondary connection ports T on the speakers Source button Mute button and Volume Down button are blinking Firmware update is in progress Do not unplug the power cables until the firmware update is completed Source button and Volume Down button are blinking alternately Firmware update failed Do not press the Reset button R on the Primary Speaker 1 Pull the power cables from both speak...

Page 91: ...power cables from both speakers 2 Wait approximately 30 minutes 3 Plug the power cables back to both speakers to resume normal operation If the problem persists please contact your KEF dealer Note System error may occur with improper power connections Do not use a socket outlet extender with the speakers TV icon OPT icon and Mute button are blinking ...

Page 92: ...er per speaker LF 280 W HF 100 W Amplifier class per speaker LF Class D HF Class AB Max SPL measured at 1m 108 dB Wireless streaming features AirPlay 2 Google Chromecast ROON Ready UPnP Compatible Bluetooth 4 2 Streaming services Spotify via Spotify Connect Tidal Amazon Music Qobuz Deezer QQ Music via QPlay Internet Radio Podcast Depends on services availability in different countries Source resol...

Page 93: ... A service RJ45 Ethernet interspeaker Output RCA Subwoofer output RCA Subwoofer output Wi Fi network standard IEEE 802 11a b g n ac IPv4 IPv6 Wi Fi network frequency band Dual band 2 4 GHz 5 GHz Metamaterial Absorption Technology is a joint development with Acoustic Metamaterials Group Wireless performance depends on many factors including network traffic distance from access point room materials ...

Page 94: ...a registered trademark of Access Industries Google Play store and Chromecast are registered trademarks of Google LLC Qobuz is a registered trademark of Xandrie SA QQ Music is a registered trademark of Tencent Music Entertainment Group TME ROON is a registered trademark of Roon Labs LLC or Roon Labs s licensors Spotify is a registered trademark of Spotify AB TIDAL is a registered trademark of Aspir...

Page 95: ...nsibly to promote the sustainable reuse of material resources To dispose of your used device please use the proper collection system or contact the retailer where the product was purchased they may be able to take the product for environmentally safe recycling Products marked with this symbol meet all applicable Community regulations for the European Economic Area Products bearing the cTUVus Certi...

Page 96: ...ve sea level China RoHS China This product contains certain hazardous substances and can be used safely during its environmental friendly use period 10 years The product should enter into the recycling system after its environmental friendly use period RoHS Taiwan This symbol means that the product does not exceed the specified concentration limits for specific hazardous substances The product obt...

Page 97: ... the command codes required Code Format NEC Factory Code 0x01 Functions Function codes 1 Power on off toggle 0x40 2 Mute un mute toggle 0x20 3 Play Pause 0x18 4 Forward 0x52 5 Next source 0x58 6 Volume up 0x60 7 Volume down 0xA0 8 Backward 0xD2 9 Power ON 0x38 10 Power OFF 0x3A 11 Mute 0x48 12 Un mute 0x4A 13 Source Wi Fi 0x30 14 Source Bluetooth 0x2A 15 Bluetooth pairing 0x98 16 Source AUX 0x02 1...

Page 98: ...For more support please visit kef com ...

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